${{\boldsymbol \Lambda}}$ BARYONS
($\boldsymbol S$ = $-1$, $\boldsymbol I$ = 0)
${{\mathit \Lambda}^{0}}$ = ${\mathit {\mathit u}}$ ${\mathit {\mathit d}}$ ${\mathit {\mathit s}}$
INSPIRE search

${{\boldsymbol \Lambda}{(1600)}}$ $I(J^P)$ = $0(1/2^{+})$

See also the ${{\mathit \Lambda}{(1810)}}{\mathit P}_{\mathrm 01}$. There are quite possibly two ${\mathit P}_{\mathrm 01}$ states in this region.
${{\boldsymbol \Lambda}{(1600)}}$ POLE POSITION
REAL PART   $1544 \pm3$ MeV 
$-2{\times }$IMAGINARY PART   $112 {}^{+12}_{-2}$ MeV 
${{\boldsymbol \Lambda}{(1600)}}$ POLE RESIDUES
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1600)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}}$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1600)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1600)}}$ $\rightarrow$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$
${{\mathit \Lambda}{(1600)}}$ MASS   $1560\text{ to }1700\text{ }(\approx1600) $ MeV 
${{\mathit \Lambda}{(1600)}}$ WIDTH   $50\text{ to }250\text{ }(\approx150) $ MeV 
$\Gamma_{1}$ ${{\mathit N}}{{\overline{\mathit K}}}$ 15$-30\%$343
$\Gamma_{2}$ ${{\mathit \Sigma}}{{\mathit \pi}}$ 10$-60\%$338
$\Gamma_{3}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ 158